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Finding the Fourth Proportional to 624,311.65, 861,552.35 and 337,831.74

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Solution

The fourth proportional to 624,311.65, 861,552.35 and 337,831.74 is: 466,209.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,311.65 : 861,552.35 = 337,831.74 : x
  2. Step 2: Convert to fraction form
    624,311.65/861,552.35 = 337,831.74/x
  3. Step 3: Cross multiply
    624,311.65x = 861,552.35 × 337,831.74
  4. Step 4: Simplify right side
    624,311.65x = 291,059,729,501.59
  5. Step 5: Solve for x
    x = 291,059,729,501.59/624,311.65
  6. Step 6: Final answer
    x = 466,209.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.